Self-guiding in two-dimensional photonic crystals

Dmitry N. Chigrin; Stefan Enoch; Cliva M. Sotomayor-Torres; Gerard Tayeb

doi:10.1117/12.463861

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25 April 2002 Self-guiding in two-dimensional photonic crystals

Dmitry N. Chigrin, Stefan Enoch, Cliva M. Sotomayor-Torres, Gerard Tayeb

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Proceedings Volume 4655, Photonic Bandgap Materials and Devices; (2002) https://doi.org/10.1117/12.463861
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

Dielectric periodic media can possess a complex photonic band structure with allowed bands displaying strong dispersion and anisotropy. We show that for some frequencies the form of iso-frequency contours mimics the form of the first Brillouin zone of the crystal. A wide angular range of flat dispersion exists for such frequencies. The regions of iso-frequency contours with near zero curvature cancel out diffraction of the light beam, leading to a self-guided (self-collimated) beam.

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Dmitry N. Chigrin, Stefan Enoch, Cliva M. Sotomayor-Torres, and Gerard Tayeb "Self-guiding in two-dimensional photonic crystals", Proc. SPIE 4655, Photonic Bandgap Materials and Devices, (25 April 2002); https://doi.org/10.1117/12.463861

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